. >> the obama campaign responded by saying congressman ryan took the vice president's comments out of context. 50 million people are expected to watch tonight's debate. >>> tonight the presidential debate between president obama and governor romney as we said will focus on domestic issues. we asked on facebook which topics do you hope the candidates will address. mickey writes how they propose changing social security. emily moon says the economy and job creation. and mark asks why we're paying almost $4 a gallon for gas. we here at 9news now in partnership with our sister paper "u.s.a. today" will be keeping track to see if the candidates address any of these issues and if what they say passes musters. we're deeming up with "u.s.a. today" reporters to bring you just the facts in tonight's debate. it's live beginning at 9:00 on wusa9.com. we'll be fact checking what the candidates say. we'll also live stream the debate on our website. then you can watch 9news now at 11:00 for the most comprehensive and accurate debate coverage and analysis. >>> ten years ago today a string of shooting